Find the median, first quartile (Q1), the third quartile (Q3), and the interquartile range (IQR) for the data shown, which is already sorted. The number of data is n= 10.
x
4
4
6
7
12
15
17
23
28
30
M
e
d
i
a
n
\displaystyle {M}{e}{d}{i}{a}{n}
M
e
d
i
a
n
=
Q
1
\displaystyle {Q}_{{1}}
Q
1
=
Q
3
\displaystyle {Q}_{{3}}
Q
3
=
I
Q
R
\displaystyle {I}{Q}{R}
I
Q
R
=
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